Thu, 03 Feb 1994 13:55:03 +0100 wenzelm removed eq_sg, pprint_sg, print_sg (now in sign.ML);
Thu, 03 Feb 1994 13:53:44 +0100 wenzelm major cleanup;
Thu, 03 Feb 1994 13:53:08 +0100 wenzelm extend_theory: changed type of "abbrs" arg;
(0) -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip